import java.io.FileInputStream;
import java.sql.*;
import java.util.Properties;

public class TableSurvey {
    public static void main(String[] args) throws Exception {
        Properties props = new Properties();
        try (FileInputStream in = new FileInputStream(args[0])) { props.load(in); }
        try (Connection conn = DriverManager.getConnection(props.getProperty("url"), props.getProperty("username"), props.getProperty("password"))) {
            System.out.println("== ALL TABLES + ROW COUNTS ==");
            try (Statement st = conn.createStatement();
                 ResultSet rs = st.executeQuery(
                     "SELECT t.name AS tbl, SUM(p.rows) AS rowcnt " +
                     "FROM sys.tables t JOIN sys.partitions p ON p.object_id = t.object_id AND p.index_id IN (0,1) " +
                     "GROUP BY t.name ORDER BY t.name")) {
                while (rs.next()) System.out.printf("  %-24s rows=%s%n", rs.getString("tbl"), rs.getString("rowcnt"));
            }
            System.out.println("== TABLES WHOSE b_id IS IDENTITY ==");
            try (Statement st = conn.createStatement();
                 ResultSet rs = st.executeQuery(
                     "SELECT OBJECT_NAME(ic.object_id) AS tbl FROM sys.identity_columns ic WHERE ic.name='b_id' ORDER BY 1")) {
                int n = 0;
                while (rs.next()) { System.out.println("  " + rs.getString("tbl")); n++; }
                System.out.println("  count=" + n);
            }
            System.out.println("== PK / UNIQUE / CHECK CONSTRAINTS REFERENCING TABLES ==");
            try (Statement st = conn.createStatement();
                 ResultSet rs = st.executeQuery(
                     "SELECT OBJECT_NAME(kc.parent_object_id) AS tbl, kc.name AS cons, kc.type_desc " +
                     "FROM sys.key_constraints kc WHERE kc.parent_object_id IN (SELECT object_id FROM sys.tables) " +
                     "ORDER BY tbl, cons")) {
                while (rs.next()) System.out.printf("  %-24s %-30s %s%n", rs.getString("tbl"), rs.getString("cons"), rs.getString("type_desc"));
            }
            System.out.println("== NON-CLUSTERED INDEXES ==");
            try (Statement st = conn.createStatement();
                 ResultSet rs = st.executeQuery(
                     "SELECT OBJECT_NAME(i.object_id) AS tbl, i.name AS idx, i.is_unique " +
                     "FROM sys.indexes i WHERE i.object_id IN (SELECT object_id FROM sys.tables) AND i.type = 2 " +
                     "ORDER BY tbl, idx")) {
                while (rs.next()) System.out.printf("  %-24s %-32s unique=%s%n", rs.getString("tbl"), rs.getString("idx"), rs.getBoolean("is_unique"));
            }
        }
    }
}